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path: root/src/compiler/codegen/arm/ArmRallocUtil.cc
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Diffstat (limited to 'src/compiler/codegen/arm/ArmRallocUtil.cc')
-rw-r--r--src/compiler/codegen/arm/ArmRallocUtil.cc179
1 files changed, 88 insertions, 91 deletions
diff --git a/src/compiler/codegen/arm/ArmRallocUtil.cc b/src/compiler/codegen/arm/ArmRallocUtil.cc
index 89bff5ee9b..bf7c1c759a 100644
--- a/src/compiler/codegen/arm/ArmRallocUtil.cc
+++ b/src/compiler/codegen/arm/ArmRallocUtil.cc
@@ -35,8 +35,8 @@ namespace art {
void oatAdjustSpillMask(CompilationUnit* cUnit)
{
- cUnit->coreSpillMask |= (1 << rLR);
- cUnit->numCoreSpills++;
+ cUnit->coreSpillMask |= (1 << rLR);
+ cUnit->numCoreSpills++;
}
/*
@@ -47,143 +47,140 @@ void oatAdjustSpillMask(CompilationUnit* cUnit)
*/
void oatMarkPreservedSingle(CompilationUnit* cUnit, int vReg, int reg)
{
- DCHECK_GE(reg, FP_REG_MASK + FP_CALLEE_SAVE_BASE);
- reg = (reg & FP_REG_MASK) - FP_CALLEE_SAVE_BASE;
- // Ensure fpVmapTable is large enough
- int tableSize = cUnit->fpVmapTable.size();
- for (int i = tableSize; i < (reg + 1); i++) {
- cUnit->fpVmapTable.push_back(INVALID_VREG);
- }
- // Add the current mapping
- cUnit->fpVmapTable[reg] = vReg;
- // Size of fpVmapTable is high-water mark, use to set mask
- cUnit->numFPSpills = cUnit->fpVmapTable.size();
- cUnit->fpSpillMask = ((1 << cUnit->numFPSpills) - 1) << FP_CALLEE_SAVE_BASE;
+ DCHECK_GE(reg, FP_REG_MASK + FP_CALLEE_SAVE_BASE);
+ reg = (reg & FP_REG_MASK) - FP_CALLEE_SAVE_BASE;
+ // Ensure fpVmapTable is large enough
+ int tableSize = cUnit->fpVmapTable.size();
+ for (int i = tableSize; i < (reg + 1); i++) {
+ cUnit->fpVmapTable.push_back(INVALID_VREG);
+ }
+ // Add the current mapping
+ cUnit->fpVmapTable[reg] = vReg;
+ // Size of fpVmapTable is high-water mark, use to set mask
+ cUnit->numFPSpills = cUnit->fpVmapTable.size();
+ cUnit->fpSpillMask = ((1 << cUnit->numFPSpills) - 1) << FP_CALLEE_SAVE_BASE;
}
void oatFlushRegWide(CompilationUnit* cUnit, int reg1, int reg2)
{
- RegisterInfo* info1 = oatGetRegInfo(cUnit, reg1);
- RegisterInfo* info2 = oatGetRegInfo(cUnit, reg2);
- DCHECK(info1 && info2 && info1->pair && info2->pair &&
- (info1->partner == info2->reg) &&
- (info2->partner == info1->reg));
- if ((info1->live && info1->dirty) || (info2->live && info2->dirty)) {
- if (!(info1->isTemp && info2->isTemp)) {
- /* Should not happen. If it does, there's a problem in evalLoc */
- LOG(FATAL) << "Long half-temp, half-promoted";
- }
-
- info1->dirty = false;
- info2->dirty = false;
- if (SRegToVReg(cUnit, info2->sReg) <
- SRegToVReg(cUnit, info1->sReg))
- info1 = info2;
- int vReg = SRegToVReg(cUnit, info1->sReg);
- oatFlushRegWideImpl(cUnit, rSP,
- oatVRegOffset(cUnit, vReg),
- info1->reg, info1->partner);
+ RegisterInfo* info1 = oatGetRegInfo(cUnit, reg1);
+ RegisterInfo* info2 = oatGetRegInfo(cUnit, reg2);
+ DCHECK(info1 && info2 && info1->pair && info2->pair &&
+ (info1->partner == info2->reg) &&
+ (info2->partner == info1->reg));
+ if ((info1->live && info1->dirty) || (info2->live && info2->dirty)) {
+ if (!(info1->isTemp && info2->isTemp)) {
+ /* Should not happen. If it does, there's a problem in evalLoc */
+ LOG(FATAL) << "Long half-temp, half-promoted";
}
+
+ info1->dirty = false;
+ info2->dirty = false;
+ if (SRegToVReg(cUnit, info2->sReg) <
+ SRegToVReg(cUnit, info1->sReg))
+ info1 = info2;
+ int vReg = SRegToVReg(cUnit, info1->sReg);
+ oatFlushRegWideImpl(cUnit, rSP, oatVRegOffset(cUnit, vReg),
+ info1->reg, info1->partner);
+ }
}
void oatFlushReg(CompilationUnit* cUnit, int reg)
{
- RegisterInfo* info = oatGetRegInfo(cUnit, reg);
- if (info->live && info->dirty) {
- info->dirty = false;
- int vReg = SRegToVReg(cUnit, info->sReg);
- oatFlushRegImpl(cUnit, rSP,
- oatVRegOffset(cUnit, vReg),
- reg, kWord);
- }
+ RegisterInfo* info = oatGetRegInfo(cUnit, reg);
+ if (info->live && info->dirty) {
+ info->dirty = false;
+ int vReg = SRegToVReg(cUnit, info->sReg);
+ oatFlushRegImpl(cUnit, rSP, oatVRegOffset(cUnit, vReg), reg, kWord);
+ }
}
/* Give access to the target-dependent FP register encoding to common code */
bool oatIsFpReg(int reg) {
- return FPREG(reg);
+ return FPREG(reg);
}
uint32_t oatFpRegMask() {
- return FP_REG_MASK;
+ return FP_REG_MASK;
}
/* Clobber all regs that might be used by an external C call */
void oatClobberCalleeSave(CompilationUnit *cUnit)
{
- oatClobber(cUnit, r0);
- oatClobber(cUnit, r1);
- oatClobber(cUnit, r2);
- oatClobber(cUnit, r3);
- oatClobber(cUnit, r12);
- oatClobber(cUnit, r14lr);
- oatClobber(cUnit, fr0);
- oatClobber(cUnit, fr1);
- oatClobber(cUnit, fr2);
- oatClobber(cUnit, fr3);
- oatClobber(cUnit, fr4);
- oatClobber(cUnit, fr5);
- oatClobber(cUnit, fr6);
- oatClobber(cUnit, fr7);
- oatClobber(cUnit, fr8);
- oatClobber(cUnit, fr9);
- oatClobber(cUnit, fr10);
- oatClobber(cUnit, fr11);
- oatClobber(cUnit, fr12);
- oatClobber(cUnit, fr13);
- oatClobber(cUnit, fr14);
- oatClobber(cUnit, fr15);
+ oatClobber(cUnit, r0);
+ oatClobber(cUnit, r1);
+ oatClobber(cUnit, r2);
+ oatClobber(cUnit, r3);
+ oatClobber(cUnit, r12);
+ oatClobber(cUnit, r14lr);
+ oatClobber(cUnit, fr0);
+ oatClobber(cUnit, fr1);
+ oatClobber(cUnit, fr2);
+ oatClobber(cUnit, fr3);
+ oatClobber(cUnit, fr4);
+ oatClobber(cUnit, fr5);
+ oatClobber(cUnit, fr6);
+ oatClobber(cUnit, fr7);
+ oatClobber(cUnit, fr8);
+ oatClobber(cUnit, fr9);
+ oatClobber(cUnit, fr10);
+ oatClobber(cUnit, fr11);
+ oatClobber(cUnit, fr12);
+ oatClobber(cUnit, fr13);
+ oatClobber(cUnit, fr14);
+ oatClobber(cUnit, fr15);
}
extern RegLocation oatGetReturnWideAlt(CompilationUnit* cUnit)
{
- RegLocation res = LOC_C_RETURN_WIDE;
- res.lowReg = r2;
- res.highReg = r3;
- oatClobber(cUnit, r2);
- oatClobber(cUnit, r3);
- oatMarkInUse(cUnit, r2);
- oatMarkInUse(cUnit, r3);
- oatMarkPair(cUnit, res.lowReg, res.highReg);
- return res;
+ RegLocation res = LOC_C_RETURN_WIDE;
+ res.lowReg = r2;
+ res.highReg = r3;
+ oatClobber(cUnit, r2);
+ oatClobber(cUnit, r3);
+ oatMarkInUse(cUnit, r2);
+ oatMarkInUse(cUnit, r3);
+ oatMarkPair(cUnit, res.lowReg, res.highReg);
+ return res;
}
extern RegLocation oatGetReturnAlt(CompilationUnit* cUnit)
{
- RegLocation res = LOC_C_RETURN;
- res.lowReg = r1;
- oatClobber(cUnit, r1);
- oatMarkInUse(cUnit, r1);
- return res;
+ RegLocation res = LOC_C_RETURN;
+ res.lowReg = r1;
+ oatClobber(cUnit, r1);
+ oatMarkInUse(cUnit, r1);
+ return res;
}
extern RegisterInfo* oatGetRegInfo(CompilationUnit* cUnit, int reg)
{
- return FPREG(reg) ? &cUnit->regPool->FPRegs[reg & FP_REG_MASK]
- : &cUnit->regPool->coreRegs[reg];
+ return FPREG(reg) ? &cUnit->regPool->FPRegs[reg & FP_REG_MASK]
+ : &cUnit->regPool->coreRegs[reg];
}
/* To be used when explicitly managing register use */
extern void oatLockCallTemps(CompilationUnit* cUnit)
{
- oatLockTemp(cUnit, r0);
- oatLockTemp(cUnit, r1);
- oatLockTemp(cUnit, r2);
- oatLockTemp(cUnit, r3);
+ oatLockTemp(cUnit, r0);
+ oatLockTemp(cUnit, r1);
+ oatLockTemp(cUnit, r2);
+ oatLockTemp(cUnit, r3);
}
/* To be used when explicitly managing register use */
extern void oatFreeCallTemps(CompilationUnit* cUnit)
{
- oatFreeTemp(cUnit, r0);
- oatFreeTemp(cUnit, r1);
- oatFreeTemp(cUnit, r2);
- oatFreeTemp(cUnit, r3);
+ oatFreeTemp(cUnit, r0);
+ oatFreeTemp(cUnit, r1);
+ oatFreeTemp(cUnit, r2);
+ oatFreeTemp(cUnit, r3);
}
/* Convert an instruction to a NOP */
void oatNopLIR( LIR* lir)
{
- ((LIR*)lir)->flags.isNop = true;
+ ((LIR*)lir)->flags.isNop = true;
}
} // namespace art
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